# i = 0
# while i < 5 :
#     if i == 3 :
#         break
#     print(i)
#     i += 1
# else :
#     print("循环结束")

i = 0
while i < 5:
    i += 1
    if i == 2:
        continue
    print(i)
else:
    print("循环结束")
